Gujustud wrote in post #3438352
I'm really contemplating the 17-40. Specially for the price. I'd save a bundle which I can use down the road compared to the 16-35. I rarely shoot at 2.8 with my flash as well. If I'm really stuck for a low light situation, then I've got my 50 I can pull out.
I find that the 24-105 on my 5D is plenty wide for me.
I bought the 16-35L earlier this year used, locally, at a great bargain, and that's really the only reason I bought it. I used it once at the beach to get those nice and sweeping shots, which was nice, but really never needed the extra stop since the sun was blazing. I usually use either my 24-105 or 50 1.4 indoors so certainly the extra stop doesn't come into play there.
So I decided that the 16-35 (or 17-40) range on a full frame is really a special purpose lens for me. So I am selling the 16-35, and have purchased the 17-40 instead to fill the empty feeling I will inevitably get selling the 16-35.
In all honestly, I probably will eventually sell the 17-40. The moment I feel that it's staying in my bag way to often, it's out the door. In the meantime I have used the extra cash towards primes. (Just recently bough used copies of 35L, 85 1.8, 135L)
So unless you do CRITICAL work in the 16-35 range and absolutely need the stop/DOF of the 16-35 f2.8, I would say the 17-40 is a fantastic bargain, and a used one can be had for $550. Great, great bargain...